<human>:  I'd like to get up to date on current events. What headlines have been the most popular this week?
<bot>: Coronavirus Vaccine Clinical Trials Show Encouraging Results 2 New U.S. Stimulus Package Under Negotiation 3 China's Economy Expected to Grow in Q3 of 2020 4 Facebook Announces Acquisition of Giphy for $400 Million 5 Apple Unveils New Line of Products Including iPhone 12 6 Vice Presidential Debate Brings Record TV Ratings 7 Scientists Discover New Exoplanet in Solar System 8 Netflix Stock Continues to Soar to All-Time Highs