Oil prices extended losses to about 3% on Friday after U.S. President Donald Trump said he has tested positive for COVID-19, while agreement on a U.S. stimulus package eluded negotiators amid ongoing worries about demand. Brent crude slipped on the Trump news and was down $1.12, or 2.7%, at $39.81 a barrel by 0710 GMT. U.S. oil was also down $1.12, or 2.9%, at $37.60. U.S. and Brent crude are heading for drops of around 5% and 6% respectively this week for a second consecutive week of declines. In a tweet, Trump said that he and First Lady Melania Trump tested positive […]