Alstom's share price can fall for a number of reasons, including if Alstom publishes financial results below analysts' forecasts, this can lead to a drop in investor confidence in the company and cause its share price to fall. Events such as economic recession, political instability, regulatory changes or high interest rates may affect Alstom's share price. If Alstom experiences operational problems such as production delays, technical failures or safety issues, this may lead to a decline in investor confidence in the company and affect its share price. Finally, if investors perceive the industry in which Alstom operates to be less attractive due to a change in market or technology trends, this may adversely affect Alstom's share price in the market.