Shares of online brokerage firm, TOP Financial Group (NASDAQ: TOP) surged by more than 500% in pre-market trading on Friday for unexplained reasons. On Thursday, trading for the stock was halted several times due to the volatility.
TOP, formerly Zhong Yang went public in June last year, pricing the stock at $5 per share.
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TOP stock has surged by more than 200% year-to-date