Oil prices tumbled at the start of this week as fears of a major supply crunch were alleviated somewhat. Upward pressure remains, however, with geopolitical risks mounting and a nuclear deal with Iran now looking uncertain.Oilprice Alert. To read what Oilprice.com’s geopolitical and trading experts have to say about ’s invasion of e, make sure you sign up for Global Energy Alert and read this week’s communique in the Members Section.Friday, March 4th, 2022Oil prices are heading towards their biggest weekly decline since November...