The Nasdaq's loss is its largest in more than a year. Stocks are suffering biggest monthly losses since May 2012 on concerns about possible U.S. response to nerve-gas use in Syria.
Investors weigh the consequences of a possible military action in response to the use of chemical weapons.
Stocks are higher despite orders for durable goods suffering their biggest drop in nearly a year in July.
The biotech's decision to buy privately held Proteolix in October 2009 was a jackpot.
Expect to see more mergers and acquisitions activity focused on cancer drugs.
Strong Asian and European manufacturing reports boost global stocks, and US markets seem set to follow.
Also in focus is the first reading of second quarter GDP as well as a slew of other economic data.
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The Market Dispatches column has been discontinued. Here's where to find the latest stock and business news on MSN Money, and the latest from market writer Charley Blaine.
MONEY & POLITICS
Breaking up big banks is an untested solution to the too big to fail problem that attempts to isolate and dismantle large, troubled institutions while protecting the rest of the economy.
A new survey reveals Americans are most embarrassed to admit their amount of credit card debt.
In a tax case, a US judge ruled that the agency's published guidelines don't hold up in court.
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