BOSTON ( TheStreet) -- Microvision ( MVIS) was one of several stocks trading below $5 and moving on above-average volume Wednesday on market rumors its projector technology will be utilized in the next Apple ( AAPL) iPod refresh.Microvision shares have rallied sharply after traders noted rumors that Apple will use Microvision's PicoP laser projector in the next generation of the iPod MP3 player. Apple will hold a media event later Wednesday, where it is widely expected to unveil updated offerings in the iPod family of products. TheStreet will be live blogging Apple's media event beginning at 12:45 p.m. ET Wednesday. Shares of Microvision jumped by 33 cents, or 12.6%, to $2.93, extending its two-day rally to 22.6%. Volume topped 1.12 million shares, compared to the average daily share volume of 503,000. Elsewhere, Quicksilver ( ZQK) rose by 34 cents, or 9.5%, to $3.93 ahead of the retailer's fiscal third-quarter financial results, due to be released Thursday. Quicksilver should report a profit of 4 cents a share and revenue of $443.7 million, according to a survey of analysts by Thomson Reuters. Volume topped 241,000 shares, compared to the average daily share volume of 1.1 million. On the downside, K-Sea Transportation Partners ( KSP) dropped by 30 cents, or 6.7%, to $4.15, bringing its three-day slide to nearly 20%. On Tuesday, K-Sea postponed its fiscal fourth-quarter earnings conference call as the tugboat and barge fleet operator worked with its lenders to extend a waiver period that expired Tuesday. K-Sea said it was also working with lenders to amend the financial covenants of a revolving credit facility, which may include a convertible preferred equity investment of at least $85 million. K-Sea said it would hold a conference call to discuss the amendments and fourth-quarter results "as soon as possible," but did not provide a specific date. Volume topped 164,000 shares, compared to the average daily share volume of 75,000. Charming Shoppes ( CHRS) slumped by 37 cents, or 16.2%, to $2.65 after the apparel retailer notched a second-quarter loss of 7 cents a share on $517.6 million in sales. The Thomson Reuters consensus of two analyst estimates was for a profit of 6 cents a share. Charming Shoppes said its gross margin fell to 48.1% from 50% in the year-ago quarter, mostly due to increased promotions, higher costs with clearing seasonal merchandise, and higher markdowns. Volume topped 731,000 shares, compared to the average daily share volume of 626,000. -- Written by Robert Holmes in Boston. >To contact the writer of this article, click here: Robert Holmes. >To follow Robert Holmes on Twitter, go to http://twitter.com/RobTheStreet. >To submit a news tip, send an email to: email@example.com.