The London Stock Exchange closed up 1.26% on Monday, driven by strong performance in the oil and defense sectors. The rise was influenced by increasing crude oil prices amid stalled negotiations between the U.S. and Iran.

<p> <img alt="Oil companies led the day, benefiting from the rebound of Brent crude, which at the close of the European stock market session surpassed USD 111 per barrel with an advance of close to 1.70%" height="80" src="https://en.mercopress.com/data/cache/noticias/110163/100x80/lindon.jpg" style="float: left; margin: 0 12px 6px 0; border: 1px solid #333;" width="100" /> The London Stock Exchange closed on Monday with a gain of 1.26%, driven by the advance of oil and defen...