PFSWEb Inc. (Nasdaq: PFSW) stepped on the accelerator Wednesday, gaining 25.4% in price to $4.15. Volume for the stock was nearly 630,000 shares, trouncing its daily average of 86,789, on better-than-expected Q4 earnings.

Micron Technology Inc. (Nasdaq: MU) proved among the busiest stocks on Wall St. Wednesday, trading in 39.5 million shares, just shy of its daily average around 41 million. Share prices budged 2.7% higher to $10.62, as investors awaited the release of MU’s Q2 financials results.

Marshall Edwards Inc. (Nasdaq: MSHL) slumped 15.7% Wednesday to register at $1.56 near the close. Volume for the stock was 143,091, or nearly double its usual volume.