Mixed End to Rocky Day for Stocks

The firm believes concerns over market-share losses and excess manufacturing capacity are already priced into the stock. Intel fell 4 cents, or 0.2%, at $23.20.

Despite Intel's decline, the Philadelphia Semiconductor sector index rose 2.1% after gains of 3% or more in Advanced Micro Devices(AMD Quote), KLA-Tencor(KLAC Quote) and Marvell Tech(MRVL Quote).

Another member of the Dow, DuPont(DD Quote), said third-quarter earnings should meet analysts' estimates. The chemicals giant also plans to repatriate about $9.4 billion of cash by the end of the year under the American Jobs Creation Act. The company will take a third-quarter charge of 32 cents a share.

Additionally, DuPont estimated that plants damaged by the recent Gulf Coast hurricanes will cost $150 million, or 10 cents a share, to clean up. The stock was down 44 cents, or 1.1%, to $38.23.

At Time Warner(TWX Quote), reports say Google(GOOG Quote) and Comcast(CMCSA Quote) are in advanced discussions toward buying a minority stake in America Online. The deal could value the Internet division at $20 billion, according to reports.

Time Warner added 10 cents, or 0.6%, to $17.59. Google was lower by $3.53, or 1.2%, to $297.44. Comcast was down 72 cents, or 2.6%, to close at $27.20.

In earnings news, Lam Research(LRCX Quote) said its first-quarter profit slid 45% to $49.5 million, or 35 cents a share. The per-share result was a nickel better than expected, and the shares surged 11.8% to close at $33.75.

Newspaper company Tribune(TRB Quote) reported third-quarter net income of $24 million, or 7 cents a share, including a loss of 43 cents a share related to a tax ruling. Excluding the tax item, the company would have earned about 50 cents a share, 2 cents ahead of the Thomson First Call consensus estimate. Third-quarter revenue fell 0.8% to $1.4 billion. Tribune rose 77 cents, or 2.4%, to $32.58.