Navistar ( NAV) numbers cut at UBS. Shares of NAV now seen reaching $28, UBS said. Estimates also lowered as transition encouraging, but near term headwinds. Buy rating. ON Semiconductor ( ONNN) numbers lowered at Credit Suisse. ONNN estimates were cut through 2013, Credit Suisse said. Company is facing macro growth headwinds. Neutral rating and new $9 price target. Och-Ziff Capital Management ( OZM) added to Top Picks Live! at Citigroup. $11.50 price target. New flows might start to see multiple drivers. Parker Hannifin ( PH) numbers cut at Credit Suisse. Shares of PH now seen reaching $89, according to Credit Suisse. Estimates also reduced, as the company's guidance appears overly optimistic. Outperform rating. Quanta Services ( PWR) numbers raised at Credit Suisse. Shares of PWR now seen reaching $28, according to Credit Suisse. Estimates also increased, as the gas business has rebounded. Outperform rating. RenaissanceRe Holdings ( RNR) downgraded at Citigroup to Neutral from Buy, Citigroup said. $80 price target. Recent upward pricing trend less of a catalyst. Sealed Air Corp ( SEE) numbers lowered at Jefferies. Shares of SEE now seen reaching $18, Jefferies said. Estimates also lowered on execution issues. Buy rating. Sealed Air numbers cut at Credit Suisse. Shares of SEE now seen reaching $15, according to Credit Suisse. Estimates also reduced, given the company's new guidance. Neutral rating.