Stocks opened little changed amid merger news, including a $16 billion banking deal.

The

Dow Jones Industrial Average

was down 4 to 9872. The

S&P 500

was down 1 to 1294.

The

Nasdaq Composite Index

was up 4 to 2386. The

Russell 2000

was up 1 to 399.

TheStreet.com Internet Sector

was up 8 to 576.

TheStreet.com E-Commerce Index

was up 1 to 106.

The 30-year Treasury bond was up 2/32 to 95 31/32, yielding 5.53%.

On the merger-and-acquisition front,

Fleet

(FLT) - Get Report

agreed to buy

BankBoston

(BKB)

for $16 billion in stock.

Meanwhile,

DuPont

(DD) - Get Report

, which owns 20% of

Pioneer Hi-Bred

(PHB) - Get Report

, is buying the rest of the company for $40 a share in cash and stock. Pioneer closed Friday at 34 5/16. The deal is valued at $7.7 billion.

Most Up at Open -- NYSE

EMC (EMC) , up 2 1/2 to 114 3/4

.

Most Up at Open -- Nasdaq

CMGI (CMGI) , up 13 to 177

: CMGI will become a component of the

Nasdaq 100

effective at the close of trading Wednesday. CMGI will replace

Netscape Communications

(NSCP)

, which is being acquired by

America Online

(AOL)

.

Most Down at Open -- NYSE

Limited (LTD) , down 1 5/16 to 36 1/4

.

Most Down at Open -- Nasdaq

Chancellor Media (AMFM) , down 2 3/8 to 42

: The company said it was scuttling its proposed acquisition of

LIN Television

and announced big management changes and announced plans for a new Internet division.