Business news for Sat, 22 Dec 2007 & with words major+trading. 3 news.

STOCKS jumped yesterday following a better-than-expected rise in profits at Research in Motion Ltd. and on word that Merrill Lynch may have lined up a big cash infusion from a Singapore fund. The Dow Jones industrial average capped a volatile week with a gain of more than 200 points and, along with the other major indexes, posted an increase of more than 1.5 percent. The developments seemed to allay investor fears that economic growth would succumb to tightness in the credit markets. Adding to the measure of relief some investors felt, the Federal Reserve said it would continue with its special biweekly auctions for banks as long as necessary to relieve strains in the short-term debt market. The announcements came as the New York Stock Exchange set a record for volume in the first half hour and hour of trading during what is known as "quadruple witching." It marks the simultaneous expiration of contracts for stock index futures, stock index options, stock options

Stocks rose sharply Friday on strong consumer spending numbers and word that Merrill Lynch may get a big cash infusion from a foreign government. The Dow gained more than 200 points and, along with the other major indexes, posted a gain of more than 1.5%.

With some 275 biotech stocks trading on major U.S. markets, the biotechnology sector can seem overwhelming to even seasoned investors. Finding the...