MILAN, Feb 17 - Global investors are increasingly worried that ‌companies are overinvesting, just as ‌market sentiment remains “uber‑bullish” and further asset gains ​look harder to achieve, Bank of America’s monthly fund manager survey showed on Tuesday. The poll of 162 ‌managers overseeing $440 ⁠billion found cash balances rose to 3.4% from January’s ⁠record‑low 3.2%, while investors stayed heavily overweight commodities and equities ​and deeply ​underweight bonds. Macro ​optimism improved further, ‌ ...