Finishing up 0.5%, Boston's major stocks rose with the market. At market close, the Dow Jones Industrial Average was up 0.2%, the NASDAQ up 0.3%, and the S&P 500 up 0.3%.
Biggest Gainer
In Boston, Wednesday's biggest gainer, Sonus Networks, Inc. (NASDAQ:SONS), rose 5.6% to close at $2.06. Arqule, Inc. (NASDAQ:ARQL) was another big gainer, gaining 3.3% to finish the day at $5.60 on volume of 349,360. With volume of 1.9 million, the stock changed hands at 1.1 times its average over the past three months. Sonus Networks is a provider of voice infrastructure solutions for wireline and wireless service providers.
Biggest Loser
The biggest loser on Wednesday was Constant Contact, Inc. (NASDAQ:CTCT), dropping 2.6% to close at $19.82. The runner up loser was Cognex Corporation (NASDAQ:CGNX), finishing the day at $37.50 (-1.3%) on volume of 144,822. Trading at 0.9 times their average volume over the past three months, 387,441 shares changed hands.
Other Notable Boston Stocks

    Akamai Technologies, Inc. (AKAM): $37.89 (-$0.23)
    American Superconductor Corporation (AMSC): $3.86 ($0.00)
    American Tower (AMT): $71.95 (+$0.21)
    Anika Therapeutics, Inc. (ANIK): $14.39 (+$0.09)
    ArQule, Inc. (ARQL): $5.60 (+$0.18)
    Biogen Idec (BIIB): $152.26 (+$0.31)
    Boston Scientific (BSX): $5.64 (+$0.06)
    Boston Properties (BXP): $112.76 (+$0.08)
    Cognex Corporation (CGNX): $37.50 (-$0.50)
    Casual Male Retail Group, Inc. (CMRG): $4.34 ($0.00)
    Charles River Laboratories (CRL): $38.24 (+$0.24)
    Constant Contact, Inc. (CTCT): $19.82 (-$0.53)
    EMC (EMC): $27.31 (-$0.01)
    Forrester Research, Inc. (FORR): $30.37 (-$0.10)
    Idenix Pharmaceuticals, Inc. (IDIX): $5.59 (-$0.06)
    Iron Mountain Incorporated (IRM): $33.08 (+$0.45)
    LoJack Corporation (LOJN): $2.39 (+$0.04)
    Pegasystems Inc. (PEGA): $28.60 (+$0.17)
    Raytheon (RTN): $57.88 (+$0.49)
    Sapient Corporation (SAPE): $10.65 (-$0.04)
    Sonus Networks, Inc. (SONS): $2.06 (+$0.11)
    Staples (SPLS): $11.54 (+$0.17)
    State Street (STT): $43.18 (+$0.08)
    Teradyne, Inc. (TER): $15.85 (-$0.04)
    TechTarget Inc (TTGT): $5.41 (+$0.14)
    VistaPrint Limited (VPRT): $36.90 (+$0.05)