Virtu Financial buys Rio Tinto shares amid mining firm's stock surge and dividend hike.

US financial firm Virtu Financial LLC has purchased 34,421 shares of Rio Tinto Group, a global mining company, for about $2 million, following a 213.8% rise in Rio Tinto's share value. Rio Tinto recently increased its semi-annual dividend to $2.23 per share, reflecting a 7% dividend yield. FCA Corp TX also increased its stake in Rio Tinto by 1.5%. Rio Tinto's stock price rose 150% in the fourth quarter of 2020, with the company now valued at $77.71 billion.