 WPP PLC LON:WPP shares have been given a boost by Credit Suisse, which upgraded the stock to neutral from underperform amid a record recovery in the advertising industry. The Swiss investment bank, which hiked its target price to 1,060p from 835p, said structural concerns about the FTSE 100 groups agency holding companies have taken a back seat as government stimulus and recovery in some pandemic-impacted sectors kick in. 