10 things you need to know before the opening bell (SPY, SPX, QQQ, DIA, AMZN, CMCSA, FOXA, DIS, MSFT)

Reuters/Danny Moloshok

Here is what you need to know.

Trump threatens tariffs on all Chinese goods coming into America. President Donald Trump told CNBC’s Joe Kernen in an interview aired Friday morning that he was ready to place tariffs on all $505 billion worth of Chinese goods coming into the US. “I’m not doing this for politics — I’m doing this to do the right thing for our country,” he said.

Trump breaks long-standing precedent of American presidents not commenting on the Fed. In the same interview on CNBC, Trump said he wasn’t “thrilled” with the Federal Reserve raising interest rates.

One market is particularly vulnerable to Trump’s tweets. Goldman Sachs crunched the numbers and found that Trump’s tweets didn’t mean much to traders — except in the soybeans market.

The unwind in the Chinese yuan is just getting started. The Chinese yuan has slumped 8% versus the US dollar since late March, and Sacha Tihanyi, a deputy head of emerging markets strategy at TD Securities, says, “We are revising our CNY target to reflect more weakness.” Adding that Chinese policymakers had “become more amenable to a more rapid pace of depreciation than we initially assumed.”

Copper drops to its lowest level in a year. The metal fell below $6,000 a metric ton on Thursday amid trade escalations and the unwinding of a $3 billion long position.

Comcast drops out of the $71 billion bidding war for 21st Century Fox assets. The cable provider said it was focusing on its fight with 21st Century Fox over the British broadcaster Sky.