Orion Energy Systems, Inc. ( NASDAQ:OESX ) shareholders might understandably be very concerned that the share price has...: Orion Energy Systems, Inc. (NASDAQ:OESX) shareholders might understandably be very concerned that the share price has dropped 39% in the last quarter. But over three years the performance has been really wonderful. Over that time, we've been excited to watch the share price climb an impressive 612%. So the recent fall doesn't do much to dampen our respect for the business. Only time will tell if there is still too much optimism currently reflected in the share price.