The gains on just the first four days, and the last day of the month totaled 29.8 points.
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"It's the first day of the month and in today's market it's really about the month-to-month gain, " Rueckert said.
Wednesday is a key trading day because it is the last day of the month, when traders price their portfolios.
Friday is the last trading day of the month, and of the quarter, which makes it an extra important day, technically.
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It takes place on the nearest Friday to the seventeenth day of the month of Mehr, according to the solar-agricultural calendar.
But the gains on just the first four days of the month, and the last day of the month, totaled 29.8 points.
Below is a table showing all instances since 1980 where the index fell at least 1.5% on the first day of the month.
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The IPCA-15 measures inflation data from 15th day of the previous month, to the 15th day of the month of reference, in this case June.
Last week most of the gain took place on Monday, the last day of January, and only the first day of the new month (Feb).
In that month, Bergkamp became the first player in 25 years to score the first, second and third goals in BBC's Match of the Day Goal of the Month competition.
The last day of the month also often participates because savvy traders pile into the market in anticipation of a similar rally in the first few days of the next month.
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Trading Friday is likely to be extra-important regarding the near-term technical posture of the gold market, and especially since Friday is the last trading day of the month and of the quarter.
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"It'll probably mean that rather than being gone by lunchtime on the first day of the month, the grants are gone by 3 o'clock in the afternoon of the first day, " observed Dr Hinnells.
Thursday is the last trading day of the month and of the quarter, and portfolio managers were also likely more active in position adjustments, which also likely put some downside pressure on the metals.
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Rainfall amounts for March and April were below average, but May is already wetter than average, with the average area receiving 86mm of rain up to the 28th day of the month - 70mm is the average.
Adding to the sense of urgency to open on Wednesday: It is the final day of the month, a time that many mutual funds, hedge funds and other investors use to present the status of their investments.
Finally, the LIBOR 6 month rates on the first business day of each month are, the great majority of the time, higher than the five-day running average of the LIBOR 6 month rate surrounding the first business day submissions throughout the Class Period.
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The Qiang New Year Festival, held on the first day of the tenth lunar month, is an occasion for the Qiang people of China's Sichuan Province to offer thanks and worship to heaven for prosperity, reaffirm their harmonious and respectful relationship with nature, and promote social and family harmony.
The Beijing Olympics, for instance, started on the eighth day of the eighth month in 2008.
That is why the Beijing Olympics were staged on 8 August 2008, the eighth day of the eighth month of an eighth year.
The bulls have near-term upside technical momentum as the market produced a technically bullish monthly high close on Tuesday, the last trading day of the month.
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The bulls have near-term upside technical momentum as the market on Tuesday produced a technically bullish monthly high close on the last trading day of the month.
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The dollar index also produced a technically bearish monthly low close on Friday, the last trading day of the month.
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According to lawsuit, for at least 10 years between 2000 and 2009 the banks conspired to falsely increase the Libor on the first day of each month for the purpose of increasing the rates on homeowners mortgages.
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Friday is the last trading day of the week and of the month, which may make for some more active trading due to some position-squaring.
Friday was the last trading day of the week and of the month, which made for some more active trading, including long liquidation of futures contracts, due to position-squaring.
The New York exchanges are set to reopen Wednesday, which should make for a much more active trading day, especially as Wednesday is also the last trading day of the month.
The Moon Festival falls on the 15th day of the eighth lunar month.
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