Shares of Bed Bath & Beyond ( BBBY) bubbled up in late trading Wednesday after the retailer beat Wall Street's fourth-quarter earnings expectations. The company's earnings rose to $197.9 million, or 67 cents a share, from $181 million, or 59 cents a share a year ago. Revenue rose to $1.69 billion from $1.47 billion, while same-store sales increased 6.3%. Analysts surveyed by Thomson First Call expected the company to post earnings of 65 cents a share and revenue of $1.6 billion. Shares gained $2.24, or 5.9%, to $40.56 in after-hours trading.

Websense ( WBSN) shares sank after the San Diego-based software company put its first-quarter revenue below Wall Street's expectations. The company expects to post earnings in the range of 16 cents to 17 cents a share. Excluding stock-based compensation expenses, Websense forecast earnings of 23 cents to 24 cents. Analysts are looking for earnings of 23 cents a share. The company expects to report revenue of $42.3 million to $42.5 million, shy of analysts' forecast of $43.1 million. Websense will post final results April 25. Shares fell $3.24, or 12%, to $24.82 after hours.

WD-40 ( WDFC) cleaned up after the lubricant maker beat Wall Street's second-quarter earnings expectations. For the quarter ended Feb. 28, the company reported earnings of $7.2 million, or 43 cents a share, compared with $5.3 million, or 31 cents a share, a year ago. Sales rose 17% to $71.5 million. Analysts projected earnings of 31 cents a share on sales of $68.9 million.

For fiscal 2006, WD-40 reiterated its forecast sales of $288 million to $299 million. The company narrowed its projected earnings range to $1.50 to $1.65 a share from a prior forecast of $1.45 to $1.65. Wall Street is looking for earnings of $1.64 a share and sales of $290 million. Shares gained 64 cents, or 2%, to $31.80 in late trading.

Shares of Third Wave Technologies ( TWTI) gained after the molecular diagnostics company said it formed a joint venture with Mitsubishi to accelerate the development and commercialization of clinical molecular diagnostic products and pharmacogenetics in Japan and the Asia-Pacific region. Shares rose 16 cents, or 5.4%, to $3.12 in late trading.

Boston Scientific ( BSX) shares moved higher after the medical device maker said it reached agreement with the Federal Trade Commission relating to its proposed $27 billion acquisition of Guidant ( GDT). Boston Scientific said its agreement resolves all outstanding antitrust issues, and the company now expects to close the transaction around the middle of April. Boston Scientific shares rose 56 cents, or 2.6%, to $22.25 in after-hours trading.