The maintenance of a Buy rating by TD Cowen suggests a positive outlook on Invesco's fundamentals or growth prospects. However, the reduction in the price target could indicate a reassessment of the company's future earnings potential or market conditions that might slightly temper investor enthusiasm in the short term. The impact is neutral to slightly negative as the reduction in price target might cause some investors to adjust their expectations, but the continued Buy rating signals underlying confidence in the company's value proposition.