By Bram Berkowitz KEY POINTS Several hedge funds and investment firms were buying Block earlier this year. In recent days, investment funds revealed that they have increased their stake in the company. What happened Shares of Block($Block(SQ)$ )traded about 3.5% higher. ET after several investment funds in new regulatory filings disclosed that they had raised their overall stake in the digital payments and financial services company. So what Coatue Management, a fund focused largely on the tech, media, and telecommunications sectors, disclosed in its recent 13F filing (which shows what stocks a fund bought and sold in any given quarter) that the company more than doubled its stake in Block in the first quarter of this year. Coatue upped