Stocks could plunge another 25% if this happens, warns Goldman Sachs

You might not know it from Friday’s rally, but the prospect of rising rates still hangs over investors’ heads as the 10-year yield, at one point, knocked out a four-year high. The 3% line, which is within spitting distance, is the level that’s often thrown out there as a troubling hot spot for equities. But there’s another line that could have devastating consequences.