Over the past two years, investor demand for convertible bonds got so hot that bankers did something unprecedented: They sold nearly $57 billion of bonds that pay no interest, according to data compiled by
& Co.
Investors gobbled up convertible bonds with zero coupon from companies including
SoFi,
Snap,
Ford,
and
They were essentially lending the companies money at 0% interest, hoping shares would rise enough that they could convert their bonds into stock. But with higher interest rates coming, the reign of the zero-coupon convertible bond is likely coming to…