which factors are marketable securities for this company?

Balance Sheet
All numbers in thousands	2017	2016
Period Ending	2/2/2018	2/3/2017
Current Assets
Cash And Cash Equivalents	588,000	558,000
Short Term Investments	102,000	100,000
Net Receivables	-	-
Inventory	11,393,000	10,458,000
Other Current Assets	689,000	884,000
Total Current Assets	12,772,000	12,000,000
Long Term Investments	27,000	12,000
Property Plant and Equipment	19,721,000	19,949,000
Goodwill	1,307,000	1,082,000
Intangible Assets	569,000	-
Accumulated Amortization	-	-
Other Assets	895,000	1,365,000
Deferred Long Term Asset Charges	168,000	222,000
Total Assets	35,291,000	34,408,000
Current Liabilities
Accounts Payable	6,590,000	6,651,000
Short/Current Long Term Debt	16,995,000	15,699,000
Other Current Liabilities	2,544,000	2,389,000
Total Current Liabilities	12,096,000	11,974,000
Long Term Debt	14,718,000	14,394,000
Other Liabilities	1,758,000	1,606,000
Deferred Long Term Liability Charges	19,000	18,000
Minority Interest	-	-
Negative Goodwill	-	-
Total Liabilities	29,418,000	27,974,000
Stockholders' Equity
Misc. Stocks Options Warrants	-	-
Redeemable Preferred Stock	-	-
Preferred Stock	-	-
Common Stock	415,000	433,000
Retained Earnings	5,425,000	6,241,000
Treasury Stock	11,000	-240,000
Capital Surplus	22,000	-
Other Stockholder Equity	11,000	-240,000
Total Stockholder Equity	5,873,000	6,434,000
Net Tangible Assets	3,997,000	5,352,000