The maintenance of a Speculative Buy rating suggests a positive outlook on Solaris Resources by TD Securities, indicating potential growth or positive performance. However, the reduction in the price target from $20 to $17 could reflect a reassessment of the company's future growth prospects or market conditions, potentially leading to a neutral short-term impact on the stock price. Investors might view the lowered price target as a sign of caution, balancing the optimism of the maintained Speculative Buy rating.