GSI Technology (NASDAQ:GSIT) adds US$7.1m to market cap in the past 7 days, though investors from five years ago are still down 66%

GSI Technology, Inc. shareholders have seen a 20% increase in share price in the last month, but long-term performance shows a 66% decline over five years. With revenue decreasing annually, caution is advised despite recent gains. Research on financial position is recommended for potential investors.