Ticker Talk

Ariba Inc. raised the expected size of its initial public offering by as much as 53% on Monday. The Sunnyvale, Calif.-based provider of e-commerce systems systems filed an amended registration statement with the Securities and Exchange Commission saying it hopes to sell 5 million shares for $20 to $22 each, raising as much as $110 million. . . . Online magazine Salon.com’s IPO was priced at $10.50 a share Monday, its underwriter, W.R. Hambrecht, said. The price was at the low end of the $10.50-to-$13.50 range set in April. Salon (ticker: SALN) is going public under a new format called the “OpenIPO,” which lets investors bid on their shares and is designed to give individuals more influence in setting new stocks’ prices.