FSI International, Inc. (NASDAQ:

) is spiking up, nearly 4% on heavy volume. At last check, shares were up 12 cents to $3.31, a gain of 3.76%. Volume is also exceptionally heavy today, as it's traded more than 220,000 shares. FSI International designs, manufactures, markets, and supports equipment used in the fabrication of microelectronics, such as advanced semiconductor devices.