Men interact with a Baidu AI robot near the company logo at its headquarters in Beijing, China April 23, 2021.Florence Lo | ReutersBEIJING — Chinese tech giant Baidu reported Tuesday third-quarter revenue that beat expectations, although growth was slower than during the previous...

Understanding the difference between revenue and profit is essential in understanding basic and complicated economics. Even if you don't know exactly what these terms mean, you've heard the words in passing. Profit is money in your pocket, and revenue is sales, right? While that is...