Hedge fund Alden Global Capital, which became the largest shareholder in Tribune Publishing last Tuesday, has increased its stake in the Chicago-based newspaper chain to 32%. The block purchases of another 1.6 million shares of Tribune Publishing common stock, which were disclosed in a Securities and Exchange Commission filing Monday. Purchases began Wednesday and included nearly 200,000 shares purchased Monday. The share prices ranged from $10.94 to $12.98. Alden bought the additional shares in a private transaction, Tribune Publishing spokesman Tilden Katz said Monday.