New York: Stock indexes are inching higher in early trading on Wall Street as more companies report higher earnings.
Kellogg and Sysco, a food distributor, rose after their earnings beat analysts' estimates.
BlackBerry plunged after the struggling company abandoned its sale process and replaced its chief executive.
The Dow Jones industrial average rose 34 points, or 0.2 percent, to 15,652 points after the first few minutes of trading Monday.
The Standard & Poor's 500 index was up flat at 1,761. The Nasdaq composite was up four points, or 0.1 percent, at 3,926.
Investors are looking ahead to the highly anticipated public offering of Twitter on Thursday and the Labor Department's employment survey on Friday, which was delayed by the government shutdown.