Dr Susan Lieberman from Pew Environment Group said it was a big day for the convention.
Technically, December gold futures bulls had a big day Friday and gained solid technical power.
FORBES: Comex Gold Firmer on Follow-Through Strength from Friday's Strong Gains
Quite a few stocks acted well on Tuesday as the stock market had a big day.
FORBES: Five Stocks Boasting Better Charts Including RIM, First Solar
Computer Sciences Corporation (CSC) had a big day on Tuesday after earnings came out.
FORBES: Five Stocks Boasting Better Charts Including RIM, First Solar
Wednesday is going to be a big day for ephemera collectors of the literary persuasion.
Today is a big day for the tiny Caribbean nation of Antigua and Barbuda.
For fans of mixed martial arts, Saturday is a big day: UFC 74 Respect in Las Vegas.
"Today is a big day, a seminal moment for Togolese football, " Stambouli said.
Ireland's next game is a friendly against Scotland on 12 February and it will be a big day for Kerr.
Though the TV cameras focused on the Capacis, it was also a big day for Charles Strutt, executive director of the Multi-State Lottery Association.
It promises to be a big day in the Pacquiao household.
FORBES: Manny Pacquiao Says He Will Return To Boxing In September
Tomorrow is a big day as the ECB will have its chance to explain their extraordinary measures to keep the euro together and bring down yields.
Meanwhile, the Kindle Fire tablet -- which may become the strongest challenger yet to Apple's iPad -- led the way for a big day for Amazon.
Aside from the infrastructure - which cyclists will no doubt judge when it is delivered - this is also a big day and a victory for London's cycling bloggers.
It was also a big day for options trading on the iShares Silver Trust (Ticker: SLV) that saw the birth of one massive bearish play that generated a ton of media attention.
And, in a message on Twitter, David Cameron hailed "a big day for welfare reform as we pilot a cap on benefits equal to the average wage" - adding "amazingly Labour oppose it".
Wednesday was a big day for this stock as it popped 19 cents to 1.26, or 17.76%, on 8.8 million shares, and closed near the high end of the range with a breakaway gap.
It was a big day for housing data.
FORBES: Housing Data Looking Ugly; Stocks Mixed Ahead Of Apple
Yesterday was a big day for Gates.
FORBES: Will Bill Gates suck less at Twitter than Mark Zuckerberg?
FORBES: When It Comes To Obama And The Sequester, The Public Has Got It Wrong
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