A123 Systems Could Run Into the Close

Shares of lithium-ion battery maker A123 Systems

have exploded higher on Tuesday after the company announced that has developed an improved version of its lithium-ion cells that the company says can cut costs of rechargeable and hybrid vehicles. At one point, shares traded up over 60%. At last check, the stock was sitting at $1.42, a gain of 36.53% on the day. Volume has been massive with more than 30 million shares trading hands compared to a 3-month daily average of under 3 million. This may be a stock to watch into the close, as it has been coiling throughout the afternoon. If the stock rises above $1.50, look for it to surge into the close on heavy volume. Conversely, if AONE were to break below $1.38 it might continue to fall into the closing bell.