China Mobile Ltd. [[CHL]]had a strong trading day Monday, gaining more than $4.53 billion in market capitalization on the heels of Friday’s $4.37 billion gain. China’s largest cellular company by subscribers is perhaps up on the momentum provided by a number of significant analyst upgrades for Chinese mobile companies – China Telecom Corp. [[CHA]] and China Unicom [[CHU]] were both upgraded from “Hold” to “Buy” – as well as general bullishness on the state of the Chinese economy which has helped China Mobile shares gain more than 22% over the last month.

China Mobile Ltd. [[CHL]], China’s largest cellphone company which can brag it has more subscribers than the U.S. has citizens, is up more than 7% over the last five days. Today the company added more than $5.49 billion in market capitalization thanks to its 4 billion outstanding shares.

It was announced today the China Mobile is partnering with China Telecom [[CHA]] to battle the Apple [[AAPL]] iPhone. The iPhone is going to be exclusively offered by China Mobile’s smaller competitor China Unicom [[CHU]], in a coup for the company. China Mobile and China Telecom plan on offering the “OPhone,” which Lenovo Group is helping to develop based on Google’s [[GOOG]] Android operating system for cellphones. The OPhone will even have its own version of the iPhone’s “App Store” named MobileMarket.