Celera will offer stock worth $4.65 a share for each share of Axys, with some possibilities for adjustment of the price.
America Online is offering 1.5 shares for each share of Time Warner, so, in theory, the stocks should move in step.
Bank of America is offering 0.55 share for each outstanding share of FleetBoston.
Investors clearly worried yesterday about the deal, in which First Union offered two of its shares for each share of Wachovia.
Microsoft is offering 1.336 of its shares for each share of Intuit.
Mattel discussed offering 1.67 shares of its stock for each share of Hasbro.
Citi offered 3.72 shares of common for each share of that issue, worth $69.75 at yesterday's closing price.
Central and South West is offering L6.35 or $10.04, for each share of Seeboard.
The buyout group offered $9.25 in cash for each share of Chalone, an 8 percent premium to the closing price of $8.58 on Friday.
State Street offered 0.906 shares of its stock for each share of Investors Financial Services common stock.
