HEADLINE STOCKS-U.S. small/midcap stocks to watch on June 2

(For large-cap stocks to watch, click on [WATCH/US])

June 2 (Reuters) - Some small and midcap stocks to watch on Wednesday:

DIVX INC DIVX.O, $9.25, up 33 pct

SONIC SOLUTIONS SNIC.O, $11.00, down 7 pct Sonic Solutions SNIC.O agreed to acquire video compression software maker DivX for about $323 million in cash and stock to boost its Internet-based video delivery products. [ID:nSGE6510FM]

AVI BIOPHARMA INC (AVII.O), $1.80, up 29 pct

The biotechnology company said its experimental drug to treat a genetic muscle-wasting disease showed positive results in a clinical study. [ID:nSGE6510FV]

CANADIAN SOLAR (CSIQ.O), $9.70, down 18 pct

At least two brokerages slashed their price targets on the Chinese solar-cell maker, a day after it received a subpoena from U.S. regulators seeking documents relating to some sales in 2009. [ID:nSGE6510EI]

SYNERGETICS USA INC (SURG.O), $2.98, up 10 pct

The company said it expects a gain from settlement and license agreement with Alcon of about $2.4 million pre-tax in Q3. [ID:nWNAB5512]

LOCAL COM CORP (LOCM.O), $7.87, up 5 pct

The company forecast second-quarter earnings above Wall Street view. [ID:nASA00F0T]

LAYNE CHRISTENSEN CO'S (LAYN.O), $24.75, up 4 pct

The drilling and construction services provider's quarterly results raced past estimates as revenue at its mineral exploration division rose 85 percent. [ID:nSGE6510FP]

AMERICAN CAPITAL LTD (ACAS.O), $5.25, up 2.5 pct

The business development company extended the exchange offer of its notes. [ID:nASA00F1J]

ALEXION PHARMACEUTICALS INC (ALXN.O), $48.84

The company said it plans to launch its genetic-disorder drug in Japan in the third quarter, about three months earlier than expected, and raised its full-year outlook. [ID:nSGE6510F0]

SHOE CARNIVAL INC (SCVL.O), $25.08

The company's first-quarter profit edged past market estimates, helped by higher margins and strong sales of athletic and toning footwear, but the retailer forecast second-quarter profit largely below Wall Street expectations. [ID:nSGE6510FJ]

DIGITAL REALTY TRUST INC (DLR.N), $56.32

The company agreed to buy a five-property data centre portfolio for $725 million, and said it expects the deal to add to its fiscal 2010 funds from operations. [ID:nSGE6510FI]

TESSERA TECHNOLOGIES INC (TSRA.O), $16.87

The chip technology developer raised its second-quarter revenue outlook on better-than-expected royalties from some of its micro-electronics customers and increased sales of its micro-optics product. [ID:nSGE6510G7] (Reporting by Archana Shankar in Bangalore)