"gold & silver put in restricted list to curb rising imports from korea" Does the news headline talk about a general event (apart from prices) in the past? Yes

"gold falls 1% as yellen signals us rate hike on track" Does the news headline talk about price going up? No

"Gold in India shifts to discount, while China buying picks up" Does the news headline talk about price? Yes

"Gold rises as US political uncertainty breeds risk-aversion" Does the news headline talk about price in the past? Yes

"gold slips, silver rises, and stocks trade mixed" Does the news headline talk about price staying constant? No

"Gold ends higher, but suffers a weekly loss" Does the news headline talk about a general event (apart from prices) in the future?