U.S. stocks fell for a third straight day on Tuesday, spooked by uncertainty over the health of financials and concerns that the explosive rally since March may have run ahead of economic reality.

Shares of memory chip designer Rambus Inc. plunged after a California judge delayed a lawsuit brought by the company against rival chip makers.

The U.S. manufacturing sector grew in August for the first time in 19 months, adding to evidence that the recession is ending.

The following stocks were among those that moved substantially or traded heavily Tuesday on the New York Stock Exchange:

Despite a drop in oil prices, airline shares fell Tuesday as the broader stock market plunged. Benchmark crude for October delivery fell $1.91 to settle at $68.05 a barrel on the New York Mercantile Exchange.

Shares of Cincinnati Bell Inc. lost ground Tuesday after a Raymond James analyst downgraded the stock, citing the company’s rising stock price and a recent promotional deal on Internet and phone service.

Troubled U.S. lender CIT Group on Tuesday said it deferred an interest payment on some notes, sending its shares down as much as 17 percent.

Macau gaming revenue climbed about 17 percent in August, an indication that swine flu fears may be waning and visa restrictions easing, an analyst said Tuesday.

Novavax Inc. said Tuesday its 3-in-1 flu vaccine met its goal in a midstage clinical study, creating strong immune system responses to swine flu and two other strains of the sickness.

Shares of Acadia Pharmaceuticals Inc. plunged Tuesday after the company said its drug candidate pimavanserin failed to meet key treatment goals in a late-stage study focusing on patients with Parkinson’s disease psychosis.