Tuesday's biggest small-cap gainers and losers
Here are Tuesday’s biggest percentage gainers and losers in midday trading, along with top volume leaders, among companies with a market cap between $50 million and $750 million:
Biggest percentage gainers:
• Allegiant Travel Co. (Nasdaq:ALGT), up 25.4% to $26.08 after the leisure travel company reported first-quarter operating revenue of $133.1 million, up 58% from $84.3 million a year earlier.
• TranS1 Inc. (Nasdaq:TSON), up 19.9% to $12.79 after news that the FDA has cleared one of their minimally evasive surgery procedures for marketing.
• Seacoast Banking Corp. of Florida (Nasdaq:SBCF), up 13.1% to $10.71 after the bank holding company announced first-quarter net income of $1.8 million, or $0.09 per share, compared with $2.8 million, or $0.14 per share, a year earlier. Wall Street analysts expected earnings of $0.10 per share.
Biggest percentage losers:
• Intevac, Inc. (Nasdaq:IVAC), down 23.4% to $12.63 after the maker hard drive equipment said it expects 2008 revenue in the range of $120 million to $150 million and earning of between a loss of $0.25 per share and a profit of $0.15 per share. Analysts expect revenue of $143.9 million and a profit of $0.09 per share.
• Digi International Inc. (Nasdaq:DGII), down 20.8% to $8.12 after the Minnetonka, Minn.-based company reported early Tuesday that its second-quarter revenue totaled $43.1 million, which fell short of Wall Street’s expectation of $51.1 million.
• Royal Bancshares of Pennsylvania, Inc. (Nasdaq:RBPAA), down 20.6% to $11.10 despite no significant news from the Narberth, Penn.-based bank holding company.
Volume leaders:
• The South Financial Group (Nasdaq:TSFG), 3.3 million shares traded versus average of 3.1 million shares.
• Western Refining, Inc. (NYSE:WNR), 2.5 million shares traded compared with average of 2.6 million shares.
• Advanced Analogic Technologies Incorp. (Nasdaq:AATI), 1.7 million shares traded versus average of 0.8 million shares.


















