Why Macquarie tips Santos shares to surge 31%

Santos Ltd (ASX: STO) shares are marching higher today.

Shares in the S&P/ASX 200 Index (ASX: XJO) energy stock closed on Friday trading for $6.17. In late morning trade on Monday, shares are swapping hands for $6.22 apiece, up 0.8%.

For some context, the ASX 200 is…