Investing.com - Oil prices rose on Monday as tightening supply and an improving global outlook boosted market sentiment
The number of rigs drilling for oil in the U.S. fell below 400 for the first time since the financial crisis
The number of U.S. oil-drilling rigs has fallen sharply since oil prices began to fall
Expectations of tightening supply and growing demand have fulled hopes that the oil market may have bottomed out
Despite the recent price rises analysts warned that the general glut remained in place and prices could still drop back