This is what you need to know on Wednesday

1. European stocks are opened lower Wednesday as investors react to increasingly dangerous rhetoric between North Korea and the United States.

2. Global investors pile into gold after Donald Trump threatens North Korea with 'fire and fury'.

3. Officials in North Korea said they were "carefully examining" a strike on Guam, which is home to around 163,000 people and two U.S. military installations.

4. Oil prices extend declines as investors bet against a renewed compliance effort by OPEC.

5. Vantiv Inc. (VNTV)  and Worldpay Group plc (WPYGY)  have agreed terms to a merger that values Britain's biggest payments processor at more than $12 billion, the two groups said Wednesday.

Watch More with TheStreet: