visitors crowd around the nvidia booth at the 2016 china digital entertainment expo known as chinajoy in shanghai check out the companies making headlines in midday trading didi global shares of the chinese ridehailing giant climbed 3 on pace for doubledigit gains on the week amid a bloomberg news report of beijing potentially taking over the company beijing is eyeing a plan to take didi under state control by acquiring a stake through governmentrun firms including beijing tourism group the report said it is still an earlystage proposal pending government approval according to the report which cited people familiar with the matter mongodb shares of the database company surged almost 25 friday after reporting quarterly results late thursday the firm recorded a loss of 24 cents per share which was narrower than the loss of 39 cents estimated by analysts however it beat revenue estimates and gave positive revenue guidance for the current quarter pagerduty software company pagerduty jumped more than 11 after reporting quarterly results it reported an adjusted loss of 13 cents per share compared to the 11 cents analysts estimated but issued a strong outlook for currentquarter revenue docusign the esignature solution provider saw its stock rise 5 after reporting adjusted earnings of 47 cents per share which beat wall street forecasts by 7 cents docusign also raised its fullyear guidance for total revenue subscription revenue and billings joann inc shares of the crafts company sunk more than 16 after telsey downgraded the stock to market perform from outperform and lowered its price target on the stock to 14 from 18 the firm said there is limited visibility into how sales will normalize in a postcovid era after joann saw heightened demand during the pandemic broadcom the chipmaker climbed more than 1 after reporting quarterly earnings the company recorded adjusted earnings of 696 per share beating estimates by 8 cents it also beat slightly on quarterly revenue and gave an upbeat outlook on the current quarter saying its still seeing strong demand in the 5g mobile market fubotv the sports streaming company rose 15 after arizonas gaming department granted fubotv a mobile betting license in the state that makes arizona the second state to allow mobile betting for fubo after its recent approval by the state of iowa nvidia shares gained 18 after jefferies reiterated its buy rating on the stock and hiked its price target to 260 from 233 the firm said nvidia can run even higher due to its growing data center and software segments