Thomas Cook shares hit by cautious outlook
Shares in Thomas Cook closed down 7.7% after the firm said it was "cautious" about prospects "given the uncertain political and economic outlook".
The FTSE 250 company reported a 1% rise in first quarter revenues and a slight dip in operating losses.
It also said its holiday prices would be 9% higher this year as it aimed to sell more upmarket packages.
The benchmark FTSE 100 share index ended modestly higher, gaining 40.68 to 7,229.50 points.