Barclays Capital said the rise in the speculative position comes on a combination of new longs and short covering activity.
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Indeed over shorter periods of time, and under specific circumstances, short selling activity can be a very useful indicator of share performance.
They compared the short-selling activity to downgrades by analysts at 14 of Wall Street's biggest brokerages.
There is also evidence that the stock's recent spurt higher might have been related to short-covering activity.
Should the stock continue to climb higher, it could end up benefiting from short-covering activity during the next few months.
If you go too far, however -- either with extreme short-term activity or long-term overtraining -- the immune system weakens.
Out of nine members of Wednesday's naked short-selling panel, only one represented an issuer who could talk about unusual short-selling activity in his company's stock.
One big issue, greater public disclosure, or transparency, of short-selling activity, was met with resistance by many Wall Street insiders, for all the obvious competitive reasons.
The percentage of Tesla shares on loan a proxy for short-selling activity stands at about 25% of the shares available for trading, according to data from securities-financing tracker Markit.
The SEC's anti-naked short-selling restrictions also continue in place, including a requirement that short sales be closed out within the settlement period, with penalties on further short-selling activity if the close-out isn't followed.
Barclays Capital said the rise in the net fund length in the platinum group metals came on the back of a combination of fresh long positions being established as well as short-covering activity.
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Some studies have shown that short bouts of intense activity may be best, while others have supported the benefits of less vigorous, more drawn-out activity.
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The measure did produce a short term increase in economic activity, says the CBO.
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Why would anything that reduces economic activity in the short term be good for the economy?
Signs of this pessimism come in the form of the company's short-interest and options activity.
Even though the expect a flurry of acquisition activity in the short-term.
Greenspan truly began to think he was a monetary philosopher king who could fine-tune economic activity by manipulating short-term interest rates.
The IMB recognised some progress had been made at the jail near Banstead, but was concerned the activity would be short-lived, it added.
Even recent readings on manufacturing activity have fallen short of forecasts.
However, when the researchers went back to people a year after the start of the study, they found that these short-term boosts in activity levels had not been sustained.
When short sellers eventually cover their positions, by definition there must be buying activity because a share that is currently sold short must be purchased to be covered.
News the International Monetary Fund beefed up its emergency lines of credit was not a major factor in the market place, after an initial and short-lived flurry of price activity.
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As interest rates approach zero, the Fed's ability to influence activity through the manipulation of short-term interest rates is diminishing, though some economists believe it could start to do more to influence medium and longer-term rates.
"We see no immediate signs of that sort of competitive activity diminishing at least in the short term, " he added.
At least in the short term, Mr Gautier says, government activity in the Arctic has more to do with transport routes than with under-sea riches.
Data seen by the BBC suggested that the blocking of The Pirate Bay had only had a short-term effect on the level of pirate activity online - with levels of peer-to-peer sharing returning to normal soon after.
There were long periods of no activity, interrupted by several murders within a short period of time.
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Also helping market tone this morning, for the short term at least, was Chinese and UK manufacturing activity.
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