However, Sina claims to have witnessed weaker conditions since September 2012 as advertisers cut back their marketing activities on account of weaker macroeconomic conditions in China as well as a lack of any comparable media events that occurred in Q3 2012.
Messrs Prestowitz and Johnson believe some form of numerical targets should be considered among the conditions for China's accession to the World Trade Organisation.
In terms of emerging markets a number of companies appear to see improving conditions, especially in China, and believe this trend will continue in 2013.
Also pressuring the market are expectations that funding conditions in China's short-term money market will get tighter toward the end of the year, when demand for cash typically surges for gift purchases and bonus payment, analysts said.
The deal with Wanxiang Group, one of the largest auto components makers in China, is still preliminary and subject to numerous conditions, including approval by the Chinese government.