Oracle (ORCL): The software maker announced Friday that executive Gary Bloom would leave the company to head Veritas Software (VRTS). Bloom's departure follows the June resignation of president Ray Lane, who left to join the venture capital firm Kleiner Perkins Caufield & Byers. Shares of Oracle fell $4.13, or about 14 percent, to $24.69. Shares of Veritas rose $5.44, or almost 5 percent, to $115.56.
Juniper Networks (JNPR): Morgan Stanley Dean Witter analyst Christopher T. Stix downgraded the networking company to "outperform" from "strong buy" and cut his 12-month price target to $200 from $275. Shares of Juniper tumbled $22.72, or almost 15 percent, to $131.66.
Redback Networks (RBAK): Morgan Stanley's Stix downgraded the networking company to "outperform" from "strong buy" and cut his 12-month price target to $115 from $150. Shares of Redback fell $8.44, or about 10 percent, to $72.31.
eBay (EBAY): The online auction company was downgraded to "neutral" from "buy" in a report by analyst Holly Becker at Lehman Brothers. Shares of eBay tumbled $8.31, or about 19 percent, to $35.13.
Altera (ALTR): A jury ruled Friday that the maker of programmable computer chips infringed on two of rival Xilinx's (XLNX) patents. Altera said it will file a motion to reverse the finding. Shares of Altera fell $1.63, or about 5 percent, to $28.75. Shares of Xilinx fell $2.56, or 4 percent, to $60.69.
EarthLink (ELNK): Time Warner on Monday signed an agreement with the Internet service provider to offer EarthLink's high-speed Internet services over Time Warner's cable systems. Shares of EarthLink rose $1.28, or almost 18 percent, to $8.41.