MOSCOW (Reuters) – Russia plans to tap its National Wealth Fund (NWF), a rainy day cushion, after it scrapped its borrowing plan this year amid Western sanctions and said it would spend up to 1 trillion roubles ($9.34 billion) to buy shares in Russian companies. The plan to tap the fund, originally designated to help the budget to cover pension fund’s deficit, comes as Moscow faced harsh economic sanctions from the United States, European Union and their allies after Russia invaded to Ukraine last week. Russia calls its actions in Ukraine a “special operation” that it says is not designed to o…