Stocks were little changed early on amid some merger-and-acquisition news, while

Donaldson Lufkin & Jenrette

trimmed its first-quarter revenue estimate on

Dell

(DELL) - Get Report

.

DLJ cut its first-quarter revenue estimate to $5.3 billion from $5.5 billion and its earnings estimate to 15 cents a share from 17 cents. The current

First Call

30-analyst estimate calls for earnings of 16 cents a share. Dell was down 2 1/4, or 6%, to 38.

Meanwhile, in the M&A arena, in a mammoth deal,

Comcast

(CMCSA) - Get Report

is buying

MediaOne

(UMG)

in a transaction valued at $60 billion in stock and the assumption of debt.

The

Dow Jones Industrial Average

was down 1 to 9902. The

S&P 500

was up fractionally at 1299. The

Nasdaq Composite Index

was up 1 to 2422. The

Russell 2000

was up fractionally at 397.

A quote on

TheStreet.com Internet Sector

was not immediately available.

TheStreet.com E-Commerce Index

was up 1 to 116.

The 30-year Treasury bond was up 6/32 to 95 23/32, yielding 5.55%.

Most Up at Open -- NYSE

McKesson HBOC (MCK) - Get Report, up 1 1/2 to 67 1/2

.

Most Up at Open -- Nasdaq

Broadcast.com (BCST) , up 13 1/4 to 98 1/4

.

Most Down at Open -- NYSE

Nokia (NOKA) , down 2 1/4 to 147 3/4

.

Most Down at Open -- Nasdaq

Gilead (GILD) - Get Report, down 4 3/4 to 52

.