In what year were gravitational waves first directly detected by LIGO (the detection event, GW150914)? Answer with the four-digit year only.
In what year was the top quark discovered at Fermilab? Answer with the four-digit year only.
In what year did Facebook agree to acquire WhatsApp? Answer with the four-digit year only.
Which subreddit was at the center of the 2021 GameStop short squeeze? Answer with the subreddit name only, without the r/ prefix.
Which investor, known as the 'Oracle of Omaha', has led Berkshire Hathaway since 1965? Answer with the surname only.
What was Twitter's original stylized name, written without vowels? Answer with the name only, in lowercase.
In what year was the startup accelerator Y Combinator founded? Answer with the four-digit year only.
In what year did Robinhood hold its initial public offering? Answer with the four-digit year only.
In 2022, Amazon split its stock into how many new shares for each existing share? Answer with the whole number only.
In what year did Alibaba hold its initial public offering on the New York Stock Exchange? Answer with the four-digit year only.
Lehman Brothers received a federal bailout in 2008 and avoided bankruptcy. Answer true or false.
In what year did the Bank of Japan end its negative interest rate policy? Answer with the four-digit year only.
In what year did the Nikkei 225 reach the bubble-era record close it did not surpass until 2024? Answer with the four-digit year only.
UBS acquired Credit Suisse in 2023. Answer true or false.
How many companies are in the Dow Jones Industrial Average? Answer with the whole number only.
At what hour, Eastern Time, in 24-hour format, does the NYSE regular trading session close? Answer with the whole number only.
In what year was the Dow Jones Industrial Average first published? Answer with the four-digit year only.
